<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>排列DOM</title>
</head>

<body>
    <ol id="test-list">
        <li class="lang">Scheme</li>
        <li class="lang">JavaScript</li>
        <li class="lang">Python</li>
        <li class="lang">Ruby</li>
        <li class="lang">Haskell</li>
    </ol>
    <script type="text/javascript">
    'use strict'



    </script>
</body>

</html>